Answer: "The miller's daughter had to learn the dwarf's name to prevent him from taking her son, after he helped her by spinning straw into gold."
Step-by-step explanation:
In the story, the miller's daughter is in a predicament: a dwarf has helped her by turning straw into gold. However, there's a catch. The dwarf demands her firstborn child unless she can guess his name. This situation is critical to the plot, as it sets up the main challenge she must overcome. Therefore, this statement is crucial to include in a summary of the story.